<?php

namespace app\libs\exception;

//use think\facade\Request;
use think\facade\Log;
use think\db\exception\DataNotFoundException;
use think\db\exception\ModelNotFoundException;
use think\exception\HttpResponseException;

use think\exception\Handle;
use think\exception\HttpException;
use think\exception\ValidateException;
use think\Response;
use Throwable;

class ExceptionHandler extends Handle
{

    private $code;
    private $status;
    private $msg;

    /**
     * 不需要记录信息（日志）的异常类列表
     * @var array
     */
    protected $ignoreReport = [
        HttpException::class,
        HttpResponseException::class,
        ModelNotFoundException::class,
        DataNotFoundException::class,
        ValidateException::class,
    ];

    /**
     * 记录异常信息（包括日志或者其它方式记录）
     *
     * @access public
     * @param  Throwable $exception
     * @return void
     */
    public function report(Throwable $exception): void
    {
        // 使用内置的方式记录异常日志
        parent::report($exception);
    }

    public function render($request, Throwable $e): Response
    {
        // 参数验证错误
        if ($e instanceof ValidateException) {
            return json($e->getError(), 422);
        }

        // 请求异常
        if ($e instanceof HttpException && $request->isAjax()) {
            return response($e->getMessage(), $e->getStatusCode());
        }

        if ($e instanceof BaseException) {
            $this->code = $e->code;
            $this->status = $e->status;
            $this->msg = $e->msg;
        } else {
            if (!env('APP_DEBUG')) {
                $this->code = 500;
                $this->status = 0;
                //$this->msg = '您访问的页面不存在！';
                $this->msg = $e->getMessage();

                // 记录错误
                $this->errorLog($e);
            } else {
                // 其他错误交给系统处理
                return parent::render($request, $e);
            }
        }

        $result = [
            'code' => $this->code,
            'status' => $this->status,
            'msg' => $this->msg,
            //'request_url' => $request->url()
            'data' => ['request_url' => $request->url()]
        ];

        return json($result, $this->code);
    }

    private function errorLog(\Exception $e)
    {
        //trace($e->getMessage(), 'error');
        Log::write($e->getMessage(), 'error');
    }
}